Fiat S.p.A., (Fabbrica Italiana Automobili Torino) (Italian Automobile Factory of Turin), is an Italian automobile manufacturer based in Turin. Fiat was founded in 1899 by a group of investors including Giovanni Agnelli. During its more than a century long history, Fiat has also manufactured railway engines and carriages, military vehicles, and aircraft. As of 2009, the Fiat group (not inclusive of its subsidiary Chrysler) was the world's ninth largest carmaker and the largest in Italy.

Fiat-based cars are built around the world. Outside Italy, the largest country of production is Brazil, where the Fiat brand is the market leader. The group also has factories in Argentina and Poland and a long history of licensing production of its products in other countries. It also has numerous alliances and joint ventures around the world, the main ones being located in Italy, France, Turkey, Serbia, India and China.

Agnelli's grandson Gianni Agnelli was Fiat's chairman from 1966 until 1996; he then served as honorary chairman from 1996 until his death on 24 January 2003, during which time Cesare Romiti served as chairman. Until their removal, Paolo Fresco served as chairman and Paolo Cantarella as CEO. Umberto Agnelli then took over as chairman from 2003 to 2004. After Umberto Agnelli's death on 28 May 2004, Luca Cordero di Montezemolo was named chairman, with Agnelli heir John Elkann becoming vice chairman (at the age of 28), and other family members also serving on the board. At this point, CEO Giuseppe Morchio resigned, and Sergio Marchionne was named to replace him on 1 June 2004.

In September 2010, shareholders approved a plan to split Fiat's capital goods businesses from the group. Agricultural and construction equipment manufacturer CNH Global NV, truck maker Iveco, and the industrial and marine division of Fiat Powertrain Technologies were spun off into a new group on 1 January 2011. The parent company, Fiat Industrial S.p.A., was listed on the Milan stock exchange on 3 January 2011.

GMC is a manufacturer of trucks, vans, military vehicles, and sport utility vehicles marketed in North America and the Middle East by General Motors. In January 2007, GMC was GM's second-largest-selling North American vehicle division after Chevrolet, ahead of Pontiac.

Ford Motor Company is an American multinational automaker headquartered in Dearborn, Michigan, a suburb of Detroit. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobiles and commercial vehicles under the Ford brand and luxury cars under the Lincoln brand. In the past it has also produced heavy trucks, tractors and automotive components. Ford owns small stakes in Mazda of Japan and Aston Martin of the United Kingdom. It is listed on the New York Stock Exchange and is controlled by the Ford family, although they have minority ownership.

Ford introduced methods for large-scale manufacturing of cars and large-scale management of an industrial workforce using elaborately engineered manufacturing sequences typified by moving assembly lines; by 1914 these methods were known around the world as Fordism. Ford's former UK subsidiaries Jaguar and Land Rover, acquired in 1989 and 2000 respectively, were sold to Tata Motors in March 2008. Ford owned the Swedish automaker Volvo from 1999 to 2010. In 2011, Ford discontinued the Mercury brand, under which it had marketed entry-level luxury cars in the United States since 1938.

Ford is the second-largest U.S.-based automaker and the fifth-largest in the world based on 2010 vehicle sales. At the end of 2010, Ford was the fifth largest automaker in Europe. Ford is the eighth-ranked overall American-based company in the 2010 Fortune 500 list, based on global revenues in 2009 of $118.3 billion. In 2008, Ford produced 5.532 million automobiles and employed about 213,000 employees at around 90 plants and facilities worldwide.

Bayerische Motoren Werke AG commonly known as BMW, is a German automobile, motorcycle and engine manufacturing company founded in 1917. BMW is headquartered in Munich, Bavaria, Germany. It also owns and produces Mini cars, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad. In 2010, the BMW group produced 1,481,253 automobiles and 112,271 motorcycles across all its brands. BMW is part of the "German Big 3" luxury automakers, along with Audi and Mercedes-Benz, which are the three best selling luxury automakers in the world.

Ferrari S.p.A. is an Italian sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1929, as Scuderia Ferrari, the company sponsored drivers and manufactured race cars before moving into production of street-legal vehicles as Ferrari S.p.A. in 1947. Throughout its history, the company has been noted for its continued participation in racing, especially in Formula One, where it has had great[citation needed] success. Ferrari road cars are generally seen as a symbol of speed, luxury and wealth.

Automobiles Ettore Bugatti was a French car manufacturer of high-performance automobiles, founded in 1909 in the then German city of Molsheim, Alsace by Italian-born Ettore Bugatti. Bugatti cars were known for their design beauty (Ettore Bugatti was from a family of artists and considered himself to be both an artist and constructor) and for their many race victories. The death of Ettore Bugatti in 1947 proved to be the end for the marque, and the death of his son Jean Bugatti in 1939 ensured there was not a successor to lead the factory.

No more than about 8000 cars were made. The company struggled financially, and released one last model in the 1950s, before eventually being purchased for its airplane parts business in the 1960s. In the 1990s, an Italian entrepreneur revived it as a builder of limited production exclusive sports cars. Today, the name is owned by German automobile manufacturing group Volkswagen.

Audi AG designs, engineers, manufactures and distributes automobiles and motorcycles. Audi oversees worldwide operations from its headquarters in Ingolstadt, Bavaria, Germany. Audi-branded vehicles are produced in seven production facilities worldwide.

Audi has been a majority owned (99.55%) subsidiary of Volkswagen Group since 1966, following a phased purchase of AUDI AG's predecessor, Auto Union, from Daimler-Benz.Volkswagen relaunched the Audi brand with the 1965 introduction of the Audi F103 series.

The company name is based on the surname of the founder, August Horch. "Horch", meaning "listen", becomes "Audi" when translated into Latin. The four rings of the Audi logo each represent one of four car companies that banded together to create the company. Audi's slogan is Vorsprung durch Technik, meaning "Advancement through Technology". Recently in the United States, Audi has updated the slogan to "Truth in Engineering". Audi is part of the "German Big 3" luxury automakers, along with BMW and Mercedes-Benz, which are the three best-selling luxury automakers in the world.